THREE WOMEN, NONE OF WHOM WE _______ BEFORE, _______ OUT OF THE HALL

9/ - SACH BT ANH 10 CO DAP AN
SACH BT ANH 10 CO DAP AN

9/ Three women, none of whom we _______ before, _______ out of the hall.

A. saw-had come B. had seen-came

C. saw-came D. had seen-had come